71902 CD/HCP4ADBA 15*28*14 mm Super Precision High Capacity Single
Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Matched set of two super-precision, high-capacity, D design, single
row angular contact ball bearings
The 71902 CD/HCP4ADBA bearing,bore diameter is 15 mm, outside diameter is 28 mm,width is
14 mm,featuring precise dimensions, high static load capacity, P4A
precision grade, and hybrid ceramic balls, delivers superior
performance and reliability for applications requiring high
rotational accuracy and stability.
| Part Number | 71902 CD/HCP4ADBA |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 15 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 28 mm |
| Outer Bore Diameter Tolerance | -0.004mm to 0 |
| Width (B) | 14 mm (2*7mm) |
| Width Tolerance | -0.2mm to 0 |
| Specifications | Contact Angle | 15° (25°,40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) |
| Cage Material | Phenolic |
| Number of Rows | 2 (2* Single Row) |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Number of bearings in matched set | 2 |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.028 kg |
| Matched Arrangement | DB Back-to-back <> 2 bearings |
| Universal Matching Bearing | No |
| Preload | EL/Extra Light/Class A |
| Load and Speed | Dynamic Radial Load | 6500 N |
| Static Radial Load | 3800 N |
| Reference Speed For Grease (r/min) | 70,000 rpm |
| Limiting Speed For Oil(r/min) | 110,000 rpm |
What's the Performance Features of 71902 CD/HCP4ADBA Bearing?
The 71902 CD/HCP4ADBAangular contact ball bearing is engineered for
high-precision and high-performance applications, featuring very
tight tolerances suitable for precise machinery, the ability to
handle both radial and axial loads simultaneously, high-speed
operation with stability, low torque and friction for energy
efficiency, enhanced rigidity for accuracy under heavy loads,
durability with extended service life, effective performance across
a wide temperature range.
What's the Applications of the 71902 CD/HCP4ADBA Bearing?
The 71902 CD/HCP4ADBA bearing is a high-performance precision angular contact ball
bearing designed for demanding applications across various
industries. It excels in critical machinery such as die-casting
machines, rock drilling equipment, injection molding machines,
specialized machine tools, and ceramic cutting machines, where it
ensures high precision, efficiency, and stability. Additionally, it
is used in diverse applications including packaging equipment, soil
cultivation machinery, pumps, low-temperature freezers, medicine
cutting machines, and environmental protection devices, as well as
auxiliary machinery like drop testers, tower cranes, and air
purifiers. Its versatility and reliability make it indispensable
for ensuring optimal performance in these challenging and varied
industrial settings.
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying
Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support,Professional Service |
| Size | Standard,For custom sizes ,please contact us |
| Factory Manufacturer | Yes |
